@article{ZAA_2000__19_2_48698,
     author = {Kisil, V.V.},
     title = {Umbral calculus and cancellative semigroup algebras.},
     journal = {Zeitschrift f\"ur Analysis und ihre Anwendungen},
     pages = {315--338},
     publisher = {mathdoc},
     volume = {19},
     number = {2},
     year = {2000},
     zbl = {0959.43004},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZAA_2000__19_2_48698/}
}